Machine



(,No Model.) 2 Sheets-Sheet 1.

J. P. WELGH. WOOD PLANING MACHINE.

No. 390,047. Patented Sept. 25, 1888.

rzyz.

I Viz/2841;21-

2 Sheets-Sheet 2. J. F. WELGH.

WOOD PLANING MACHINE.

(No Model.)

No. 390,047. Patented Sept. 25, 1888.

n. versus. Phmmm hu. wumn m or:v

UNITED STATES PATENT OFFICE.

JAMES F. 'WELCI-I, OF BROOKLYN, NEW YORK, ASSIGNOR TO THE GLEN COVE MACHINE COMPANY, (LIMITED,) OF SAME PLACE.

WCOD PLANING MACHINE.

SPECIFICATION forming part of Letters Patent No. 390,047, dated September 25,1888.

Application filed January 27, 1888. Serial No. 262,109. (No model.)

To all whom it may concern.-

Be it known that I, JAMEs F. WELeH, of Brooklyn,(Green Point,) in the county ofKings and State of New York, have invented a new and useful Improvement in ood-Planing Machines, of which the following is aspecification.

The invention, although generally applicable to woodplaning machines, is particularly IO useful in the class of wood-planing machines which are termed surfacing-machines, and is illustrated by the accompanying drawings as embodied in such a machine. In woodplaning machines the lower cutter-head is commonly at the delivery end of the machine, al-

though beyond the cutter-head there may be a delivery-table or delivery-rolls, and one important object of my invention is to provide for obtaining ready access immediately to the lower cutter-head in order to sharpen or adjust the cutters thereon.

' In the accompanying drawings, Figure l is a side elevation of as much of a surfacing-machine as is necessary to illustrate my invention, representing portions of the main framing and the feeding devices of the machine, the cutter-heads, and the supplemental frame, which is hinged to the main frame and which supports the lower cutter-head and the deliv- 0 ery-rolls. Fig. 2 is a plan corresponding with Fig. 1, and showing the supplemental frame and its attached parts in full outline as swung outward to the side of the machine to afford access to its cutter-head,and showing the same parts in dottedoutline as swung into operative position in line with the main framing.

Similar letters of reference designate corresponding parts in both figures.

A designates the main frame of the machine,

0 and B designates the upper cutter-head, the journals 1) of which are supported in bearings b, adjustable upward and downward upon standards A, erected upon the main frame A. The main frame also supports feed-rolls C C,

of which there may be one or more pairs, but of which one pair only is represented, as these form no part of the present invention.

A designates the supplemental frame, which constitutes one of the principal features of my invention, and upon which is mounted the lower cutter-head, B, the bearings I) for which are adjustable upward and downward upon the said supplemental frame by means of setscrews a. As here represented, the said supplemental frame A also carries a pair of feed or delivery rolls, 0 0.

Whether there is a pair of delivery-rolls or simply a delivery-table in advance of the lower cutter-head, B, it is a difficult matter ordinarily to gain ready access to the lower cutterhead for sharpening or adjusting its cutters. It is to provide for such access that I mount the lower cutter-head in the supplemental frame A which I hinge to the main frame at one side thereof. The hinge-joint a a, by which the connection between the supplemental frame A and main frame is made, is shown in Fig. 2 and by dotted lines in Fig. 1. and it provides for swinging the supplemental frame A into line with the main frame A, as shown by dotted lines in Fig. 2, when the machine is to be operated, and for swinging the supplemental frame A with thelower cutterhead, B, and the delivery-rolls C Cand their appurtenances laterally to one side ofthe main frame A, as shown by full lines in Fig. 2, when ever access is desired to be had to the lower cutter-head, B.

It will be readily seen that when the supplemental frame A is swung aside, as shown by full lines in Fig. 2, the lower cutter-head, B, is fully exposed and the workmen can step directly in behind it in order to sharpen or adjust the cutters.

As best shown in Fig. 1, the bearers a to receive the hinge pins a, are at the extreme top and bottom of the frame, as the supple mental frame A and the parts which it operates are of considerable weight, and I provide upon the main frame A forwardlycxtending portions A at both sides of the machine, and which constitute supports or rests for sustaining the supplemental frame A when the latter is swung into line with the main frame. D designates a top presser, which is above the lower cutter-head, B, and which holds the lumber down and preventsits being raised by the action of the cutter-head upon it. This presser D may be raised and lowered,as is well understood, in the frame D,and this frameD is 100 not supported upon the supplemental frame A", which holds the cutter-head B, but is sup ported by arms or brackets d from the main frame A. Consequently when the supple mental frame A is swung outward, as shown in Fig. 2, the cutter-head B is removed from below its presser D, and the latter therefore does not prevent access to the cutterhead, as it might if it and its frame D were supported upon the supplemental frame A.

In order to impart motion to the deliveryrolls 0 C, which are upon the supplemental lrame A I provide gear-wheels connecting the lower roll, G, with the pinion-shaft E. Upon the shaftEisapinion, e, which gears into a wheel, a. Thislatter wheel gears into another wheel, a", which in turn transmits motion to a wheel, 0, and the wheel e is in gear with a large wheel, e, upon the lower delivery-rolL O. It is desirable that the two wheels 6 e, which are respectively upon the main frame A and the supplemental frame A, should not be disengaged by the swinging of the supplemental frame A because if they were thus disengaged the teeth of the two wheels would be likely to clash when the supplemental frame A is swung back into operative position and would be very liable to produce breakage. Therefore, the hinge-pins a are directly in line vertically with the pitch-line of the wheels a e", as shown in Fig. 2, and consequently when the supplemental frame A is swung laterally to one side of the main frame A, as shown by full lines in Fig. 2, the wheel 0 still remains in gear with the wheel 6, and therefore these two wheels cannot clash with each other when the supplemental frame is swung back to operative position.

The lower feed or delivery roll, 0, isjournaled in stationary bearings 0; but the bear- 1ngs c of the upper roll are vertically movable and are connected by rods 0" with arms 0'' upon a roch-shaft,c",whieh is fitted to hearings in the supplemental frame A". Consequently as the upper roll, 0, rises and falls it is by the said rook-sh aft 0 constantly maintained in pa rallel position with the lower roll, 0. The boxes 0, which constitute the bearings for the upper roll, are represented as provided each with a socket, 0. These sock cts c of the boxes 0 at opposite ends of the roll respectively'receive through them cylindric rods 0 0 These rods are supported at theirlower ends in bearings c and at their upper ends in bearings 0 upon roll-stands C". These means of provid ing for the adjustment of the upper deliveryroll on the supplemental table do not, however, constitute any part of the present invention, but are part of the subjectmatter of another application, No. 278,960}, filed July 3, 1888, and have only been so far briefly de scribed for the purpose of explaining that the delivery-rolls on the supplemental frame have their own means of adjustment.

The upper delivery-roll, 0', receives motion from the lower one, C. transmitting this motion I have represented expansion-gears f f ,whieh arein gear, respectively, with gear-wheels f f upon the lower and upper rolls. The expansion-gear f is journaled in the fixed bearings f, and the gear f, which transmits motion from the wheel f to the wheelf", is supported in the swinging linksf". This system of gears always trans mits motion to the upper roll, O,whatever be its vertical position.

What I claim as my invention, and desire to secure by Letters Patent, is-- 1. The combination, in a wood-planing machine, of a main frame supporting the upper eutter-head and feed-rolls, a lower cutter'head, and a supplemental frame carrying the lower cutter-head and. hinged to the main frame at one side thereof, so that it may be swung latcrally to expose the lower cutterhead, substantially as herein described.

2. The combination, with a main frame supporting an upper cutter head and feed-rolls, of a lower cutter head a supplemental frame carrying the lower cutterheadand hinged to the main frame at one side thereof, a pair of deliveryrolls carried by the supplemental frame, and gear wheels whereby they are driven from a shaft upon the main frame, the hinges of the supplemental frame being concentric or in line with the pitch-line of two of such wheels which are in engagement, whereby such wheels are not disengaged even when the supplemental frame is swung laterally aside, substantially as herein described.

3. The eombinatiomwith a main frame supporting an upper cutter-head and feed-rolls, of a lower cutter-head, and a supplemental frame supporting the lower cutter-head and hinged to the main frame at one side thereof, so that it may be swung laterally to expose the lower cutter-head, a presser above the lower cutterhead, and a frame wherein the presser is adjustable vertieall y, and which is supported by the main frame,so that when the supplemental frame is swung laterally the lower cutter head is carried from below its presser, substantially as herein described.

4, The combination, with a main frame and an upper cutterhead and feed-rolls supported thereby, of the supplemental frame A hinged. at a to the main frame on one side thereof, and having a rest or support at A upon the main frame on the other side thereof, and the lower cutter-head, B, supported in said supplemental frame, substantially as herein described.

J A. M ES F. WE LGH.

Witnesses:

HENRY J OLDRINo, .]'r., A emar YOUNG.

For the purpose of 

